[type-profile] Add test for return in try-finally.

Add a test case as reminder for future work.

The return statement is in a try
finally and is never used when returning. The type should
not be collected.

R=mstarzinger@chromium.org
BUG=v8:5935

Review-Url: https://codereview.chromium.org/2765863002
Cr-Commit-Position: refs/heads/master@{#44006}

test/message/type-profile/collect-type-profile.js

@@ -46,6 +46,21 @@ function testReturnOfNonVariable() {
   return 32;
 }
 
+// Return statement is reached but its expression is never really returned.
+// TODO(franzih): The only return type should be 'string'.
+function try_finally() {
+  try {
+    return 23;
+  } finally {
+    return "nope, string is better"
+  }
+}
+
+try_finally();
+
+%PrintTypeProfile(try_finally);
+
+
 testReturnOfNonVariable();
 
 throw "throw otherwise test fails with --stress-opt";

test/message/type-profile/collect-type-profile.out

@@ -14,6 +14,10 @@ Function: testFunction
 374: Object
 424: Object
 
-*%(basename)s:51: throw otherwise test fails with --stress-opt
+Function: try_finally
+1157: number
+1186: string
+
+*%(basename)s:66: throw otherwise test fails with --stress-opt
 throw "throw otherwise test fails with --stress-opt";
 ^